medium
5.5
Advisory Published
CVE Published
Updated

CVE-2014-3646

First published: Sun Sep 21 2014(Updated: )

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Kernel<=3.17.2
Red Hat Enterprise Linux=5.0
Ubuntu Linux=12.04
Debian GNU/Linux=7.0
openSUSE Evergreen=11.4
SUSE Linux Enterprise Server=11-sp2
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux kernel<=3.17.2
Debian=7.0
Evergreen ILS=11.4

Remedy

http://www.openwall.com/lists/oss-security/2014/10/24/9

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1144825

Remedy

https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-3646?

    CVE-2014-3646 is a high severity vulnerability that can lead to denial of service due to guest OS crashes.

  • How do I fix CVE-2014-3646?

    To fix CVE-2014-3646, upgrade to an unaffected kernel version such as 5.10.223-1 or 6.12.12-1.

  • What systems are affected by CVE-2014-3646?

    CVE-2014-3646 affects various Linux distributions, including specific versions of Debian, Ubuntu, and Red Hat Enterprise Linux.

  • What is the nature of the vulnerability in CVE-2014-3646?

    CVE-2014-3646 is caused by the KVM subsystem failing to handle the INVVPID instruction, which allows crashes of guest operating systems.

  • Can CVE-2014-3646 be exploited remotely?

    Yes, CVE-2014-3646 can be exploited by users within the guest OS to crash that OS through a crafted application.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203